142432561544 has 32 divisors (see below), whose sum is σ = 328690528320. Its totient is φ = 56346947136.

The previous prime is 142432561501. The next prime is 142432561559. The reversal of 142432561544 is 445165234241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97823834 + ... + 97825289.

It is an arithmetic number, because the mean of its divisors is an integer number (10271579010).

Almost surely, 2^142432561544 is an apocalyptic number.

142432561544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142432561544 is an abundant number, since it is smaller than the sum of its proper divisors (186257966776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142432561544 is a wasteful number, since it uses less digits than its factorization.

142432561544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195649149 (or 195649145 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

Adding to 142432561544 its reverse (445165234241), we get a palindrome (587597795785).

The spelling of 142432561544 in words is "one hundred forty-two billion, four hundred thirty-two million, five hundred sixty-one thousand, five hundred forty-four".